rehabilitation of open pit mines ppt

rehabilitation of open pit mines ppt

Rehabilitation of Open Pit Mines - SlideShare

2011-5-16 · 21. Mining Philippines 2010 State of the Art of Open Pit Mine Rehabilitation Facing up to this challenge entails three interrelated planning tasks: 1. Evaluation of the likely water quality of pit lakes after mine closure 2. Formulation of any long-term

Mine Rehabilitation and Closure Cost

2016-11-20 · Mine Rehabilitation and Closure Cost: A Hidden Business Risk 3 3 S U M M A R Y The accuracy of mine closure and rehabilitation liabilities can have a material impact on the valuation of a mining company. Closing the current generation of very large open pit

MINE REHABILITATION - Minerals Council of Australia

2018-12-3 · Mining & landform design Rehabilitation trials inform post-mining land use planning and optimise rehabilitation management processes. Waste rock is placed in line with the landform design, which aims to be stable and allow water to drain freely. The final design may involve leaving the mine pit to fill with water for use as a water

STANDARD GUIDANCE (COP 40) Mine Rehabilitation and

(COP 40) Mine Rehabilitation and Closure A. Definition and applicability Mine closure is a process undertaken when the operational stage of a mine is ending or has ended, and the final decommissioning and mine rehabilitation is being underway. Mine rehabilitation is the restoration of the post-mined landscape to the intended post-mining land use.

Rehabilitation Plan and Closure Cost Estimate for the De ...

2018-1-20 · has planned an open cut of 5ha and this report addresses the rehabilitation measures that will be implemented and provides the cost of environmental rehabilitation at closure. 1.2 Legislative Requirements and Guiding Documents Relevant legislation governing mine rehabilitation, closure cost assessment (closure

OPEN PIT MINE PLANNING: ANALYSIS AND SYSTEM

2020-2-3 · planning and design processes employed by surface mining oil sands operations vary in distinct ways from other commodities mined by both hard and soft rock open pit methods. The unique waste handling needs, including tailings disposal, of contemporary oil sands mining requires specific planning considerations.

Mine Rehabilitation - Case Studies | Minerals Council of ...

Australian mining companies understand land rehabilitation is part of responsible mining. We recognise our responsibility as a temporary custodian of land. Mine rehabilitation is highly regulated, better implemented and more accountable than ever before. The industry’s approach to land rehabilitation has improved significantly over past decades.

Mining Closure and Rehabilitation Plan - IDM Consultants

2017-3-8 · Mining Closure and Rehabilitation Plan ... The method to be implemented is a very basic form of Open Cast Mining. Extraction of sand will be facilitated through the use of an excavator and/or front end loader. ... used to strip a 30cm layer of topsoil which will be stockpiled along the northern and southern flanks of the pit for use in later ...

Mine Rehabilitation Is Important - Here's How To Prepare ...

2021-11-24 · Mines operate for long periods of time which mean the closing plans are prone to reconfiguration. These recommendations, however, can be enacted no matter what the rehabilitation plan entails. Each mine is unique, so closure and rehabilitation plans will differ for each one. That being said, these pre-rehabilitation actions are universally ...

(PDF) Surface Mine Design - ResearchGate

2021-11-30 · An open pit mine is an excavation or cuts mad e at the surface of t he ground to extract ore which is open to the sur face fo r the mine’s operational time. In order to expose

Mine Rehabilitation and Closure Cost

2016-11-20 · Mine Rehabilitation and Closure Cost: A Hidden Business Risk 3 3 S U M M A R Y The accuracy of mine closure and rehabilitation liabilities can have a material impact on the valuation of a mining company. Closing the current generation of very large open pit

STANDARD GUIDANCE (COP 40) Mine Rehabilitation and

(COP 40) Mine Rehabilitation and Closure A. Definition and applicability Mine closure is a process undertaken when the operational stage of a mine is ending or has ended, and the final decommissioning and mine rehabilitation is being underway. Mine rehabilitation is the restoration of the post-mined landscape to the intended post-mining land use.

REHABILITATION OF DEGRADED SITES - Unasylva 207

2021-2-9 · Although rehabilitation of open-pit mines is not yet required by law in New Caledonia, mining companies are revegetating nickel mining sites in response to popular environmental concern. New Caledonia, a South Pacific archipelago, has the fourth

GEOTECHNICAL CONSIDERATIONS IN OPEN PIT MINES

2021-11-30 · practice in open pit mines. The application of sound geotechnical engineering practice is considered to be an integral component of Part 2 of the Mines Safety and Inspection Act 1994 (MSIA). It is emphasised that this guideline is not totally inclusive of all factors concerning the application of geotechnical engineering in open pit mining.

Manual for the rehabilitation of ornamental granite open ...

Manual for the rehabilitation of ornamental granite open-pit mines in Galicia. Promoter: Fundación Centro Tecnolóxico do Granito de Galicia (FCTGG). (Galician Granite Technology Centre) Available in digital format. The granite sector plays a strategic role

OPEN PIT MINE PLANNING: ANALYSIS AND SYSTEM

2020-2-3 · planning and design processes employed by surface mining oil sands operations vary in distinct ways from other commodities mined by both hard and soft rock open pit methods. The unique waste handling needs, including tailings disposal, of contemporary oil sands mining requires specific planning considerations.

Mining Closure and Rehabilitation Plan - IDM Consultants

2017-3-8 · Mining Closure and Rehabilitation Plan ... The method to be implemented is a very basic form of Open Cast Mining. Extraction of sand will be facilitated through the use of an excavator and/or front end loader. ... used to strip a 30cm layer of topsoil which will be stockpiled along the northern and southern flanks of the pit for use in later ...

Mine Rehabilitation Is Important - Here's How To Prepare ...

2021-11-24 · Mines operate for long periods of time which mean the closing plans are prone to reconfiguration. These recommendations, however, can be enacted no matter what the rehabilitation plan entails. Each mine is unique, so closure and rehabilitation plans will differ for each one. That being said, these pre-rehabilitation actions are universally ...

IT’S THE PITS

2016-11-20 · opencut. Nineteen of the state’s open cut mines are in located in the greater Hunter Valley, including three the Mudgee area. Some of these contain pits hundreds of metres deep and kilometres long. There are also six open cut mines in the Gunnedah area,

(PDF) Surface Mine Design - ResearchGate

2021-11-30 · An open pit mine is an excavation or cuts mad e at the surface of t he ground to extract ore which is open to the sur face fo r the mine’s operational time. In order to expose

GEOTECHNICAL CONSIDERATIONS IN OPEN PIT MINES

2021-11-30 · practice in open pit mines. The application of sound geotechnical engineering practice is considered to be an integral component of Part 2 of the Mines Safety and Inspection Act 1994 (MSIA). It is emphasised that this guideline is not totally inclusive of all factors concerning the application of geotechnical engineering in open pit mining.

Mine Rehabilitation - Case Studies | Minerals Council of ...

Australian mining companies understand land rehabilitation is part of responsible mining. We recognise our responsibility as a temporary custodian of land. Mine rehabilitation is highly regulated, better implemented and more accountable than ever before. The industry’s approach to land rehabilitation has improved significantly over past decades.

IT’S THE PITS

2016-11-20 · opencut. Nineteen of the state’s open cut mines are in located in the greater Hunter Valley, including three the Mudgee area. Some of these contain pits hundreds of metres deep and kilometres long. There are also six open cut mines in the Gunnedah area,

Optimized open pit mine design, pushbacks and the gap ...

2016-12-13 · OPTIMIZED OPEN PIT MINE DESIGN, PUSHBACKS AND THE GAP PROBLEM—A REVIEW 511 JOURNAL OF MINING SCIENCE Vol. 50 No. 3 2014 Fig. 3. Graph G with dummy node x0 and arcs added from the dummy node x0 to all other nodes. It is clear from the definition of our graph G that a graph closure in G represents a physically feasible pit, if not, then a block not in our closure

Rehabilitation - The Super Pit

2021-10-15 · Progressive Rehabilitation Progressive rehabilitation is the process of rehabilitating waste rock dumps and tailings storage facilities shortly after they become available. KCGM has a programme of progressive rehabilitation of our significant waste rock dumps and tailings storage facilities which is scheduled to coincide with available rehabilitation materials and equipment. The benefits of ...

ab0cd Sub-sectoral Environmental and Social Guidelines ...

2011-2-16 · common to both open cast and underground mining operations.) Open cast mining involves the removal of ore from seams relatively near the surface by means of an open pit (see figure below). These mines often occupy a large area of land for excavation of the ore and disposal of the overburden (the waste rock lying over the ore). This kind of ...

MINE CLOSURE TOOLBOX

2019-11-20 · required for this mine is a Class 0 estimate (-25 to +35%). Pages 3 in this document list the closure criteria and page 4 lists the assumptions that were made in estimating the closure cost. The final life of mine (LOM) closure cost was determined, taking into consideration ongoing rehabilitation throughout the operational phase of the mine.

CASE STUDIES OF ENVIRONMENTAL IMPACTS OF SAND

2017-3-11 · Figure 2.4 Impacts of mining on active channels (Stebbins, 2006) 26 Figure 2.5 A typical example of borrow pit rehabilitation (Department of Mines, 2005) 36 Figure 4.1 Distribution of respondents by age 50 Figure 4.2 Distribution of respondents by position in the village 51

Chapter 6 Copper Production Technology

1996-11-20 · ades of this century, whenopen pit mining, flo- tation concentration,and the reverberatory smelter were adapted to porphyry copper ores. With the exception of leaching-solvent extrac-tion-electrowinning, the basic methods of cop-per production have remained unchanged for 65 years. Moreover, six of the mines opened be-

Mining in Ontario - Ontario Nature

2018-2-28 · Open Pit vs. Underground Mining Mines in Ontario are either open pit or underground, depending on the type of ore and its location. Open pit mining is generally used for large, low-grade mineral deposits that are close to the surface while under-ground mining is generally used for deeper, concentrated deposits5.